3094260
Injector Fuel Supply Tube
Cummins®

Introduction

The Fuel Injector Supply Tube 3094260, manufactured by Cummins, is a critical component in the fuel delivery system of heavy-duty trucks. This part facilitates the transport of fuel from the fuel rail to the injectors, ensuring that fuel is delivered at the correct pressure and volume for optimal combustion and engine efficiency ¹.

Basic Concepts

Fuel injector supply tubes are essential in diesel engine fuel systems, providing a conduit for fuel to travel from the fuel rail to individual injectors. This process is crucial for maintaining consistent fuel pressure and flow, directly influencing engine performance, fuel economy, and emissions ².

Purpose and Role

The Fuel Injector Supply Tube 3094260 is engineered to deliver fuel to the injectors in Cummins engines. It ensures each injector receives the precise amount of fuel needed for combustion, contributing to optimal engine operation and efficiency.

Key Features

This Cummins part is constructed from high-quality materials resistant to diesel fuel’s corrosive effects, ensuring durability. Its design includes precise fittings and connections to maintain fuel pressure and prevent leaks, enhancing reliable engine operation.

Benefits

Using the Fuel Injector Supply Tube 3094260 enhances fuel efficiency by ensuring efficient fuel delivery to the injectors. This leads to improved engine performance, smoother operation, and increased power. The component’s durability and reliability also contribute to the overall reliability of the fuel system.

Troubleshooting and Maintenance

Regular inspection and maintenance of the Fuel Injector Supply Tube 3094260 are recommended to maintain optimal performance. This includes checking for wear, corrosion, or leaks and addressing these issues promptly to prevent more significant problems. Routine maintenance practices, such as cleaning and inspecting connections, contribute to the component’s longevity.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube 3094260 is crucial for its function and the engine’s overall performance. Installation should follow manufacturer guidelines to ensure secure and correct fitting. This component is compatible with various Cummins engine models, designed to integrate seamlessly into the fuel system of these engines.

Common Failure Modes

Fuel injector supply tubes can experience common failure modes, including leaks from worn seals or connections, blockages from contaminants, or corrosion damage. Symptoms of failure may include decreased engine performance, irregular idling, or increased fuel consumption. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems.

Upgrades and Modifications

While the Fuel Injector Supply Tube 3094260 is designed for optimal performance, upgrades or modifications may be considered in specific situations. These could include enhancements to improve fuel delivery under particular operating conditions or modifications to address unique engine requirements. Any upgrades or modifications should be approached with caution, ensuring compatibility and adherence to manufacturer guidelines.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. Known for its innovation and quality, Cummins is committed to producing reliable and efficient automotive components. Their focus on research and development ensures that products like the Fuel Injector Supply Tube 3094260 meet the high standards required for heavy-duty applications.

Cummins Fuel Injector Supply Tube (Part 3094260) Compatibility

The Cummins Fuel Injector Supply Tube, part number 3094260, is designed for the fuel delivery system of various Cummins engines. It ensures the efficient and reliable transfer of fuel from the fuel pump to the fuel injectors, maintaining optimal engine performance.

QST30 CM552 Engines

Part 3094260 is specifically designed for the QST30 CM552 engines, known for their robust construction and high performance in heavy-duty applications. The supply tube’s precision engineering ensures it can withstand the demanding conditions these engines operate under, providing a stable fuel flow crucial for maintaining engine efficiency and longevity.

Group Compatibility

In addition to the QST30 CM552 engines, the Cummins Fuel Injector Supply Tube (part 3094260) is compatible with a range of other Cummins engine models. It is engineered to meet the stringent requirements of various engine groups, ensuring a reliable fit and function across different applications. Its compatibility extends to engines that share similar design and operational parameters, making it a versatile choice for multiple engine types within the Cummins lineup.

Role of Part 3094260 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube, part 3094260, is integral to the efficient operation of engine systems. It serves as a conduit for delivering pressurized fuel from the fuel rail to the fuel injectors, ensuring each injector receives a consistent and precise amount of fuel essential for optimal engine performance.

In conjunction with the fuel rail, the supply tube maintains uniform fuel pressure across all injectors. This uniformity is vital for balanced fuel delivery, directly impacting engine performance and fuel efficiency. The tube also interfaces with the fuel injectors, ensuring that the fuel is delivered at the correct pressure and timing necessary for proper combustion.

Additionally, the supply tube works in harmony with the engine control unit (ECU) to modulate fuel delivery based on driving conditions. The ECU adjusts the fuel pressure and flow rate through the supply tube to meet the engine’s demands, whether during idle, acceleration, or deceleration. This dynamic adjustment is key to maintaining engine performance under varying conditions.

The Fuel Injector Supply Tube also plays a role in the overall fuel system integrity. It helps prevent fuel leaks and ensures that the fuel system remains pressurized, which is important for quick engine start-ups and consistent performance. The tube’s design and material are selected to withstand the high pressures and temperatures within the fuel system, ensuring durability and reliability.

Conclusion

In summary, the Fuel Injector Supply Tube 3094260 is a key component that ensures precise fuel delivery, maintains system pressure, and contributes to the overall performance and efficiency of the engine system. Regular maintenance and proper installation are essential to maximize its benefits and ensure the longevity of the fuel system.